Furnace filters help to keep out debris and dirt from the air. If not functioning properly, it will circulate unhealthy air throughout your home. Also, the system has to work harder to heat the air. It may cause system or maintenance issues and an increase in energy bills. You should be able to identify faulty filters and how to take care of them. Changing the air filters is a simple process but you should be informed of the important factors involved. Our technicians at Cydcom Heating & Air Conditioning are adequately trained and certified for quality air filter or furnace replacement services.